bd6758mwv ROHM Co. Ltd., bd6758mwv Datasheet - Page 10

• Manufacturer Part Number: bd6758mwv
• Description: 5ch System Lens Drivers For Digital Still Cameras 
• Manufacturer: ROHM Co. Ltd.

BD6370GUL Function Explanation
1)
2)
3)
4)
5)
6)
7)
8)
Motor control input
(p.11/32)
Serial control input
(p.12/32)
Motor control input
(p.11/32)
Power saving and Serial Reset (BD6370GUL; PS)
Control Input (BD6370GUL; INPUTx)
H-bridge (BD6370GUL; VM, OUTxA, OUTxB, and RNFx)
Serial Input (BD6370GUL; STROBE, SCLK, and SDATA)
Serial Register Data Bit Function (BD6370GUL)
I/O Truth Table (BD6370GUL)
Application Control Sequence (BD6370GUL)
The More Precise Constant-Current Settings (BD6370GUL)
Power-saving (p.11/32)
(1) Function Explanation
(1) Function Explanation
(1) Function Explanation
(2) The D/A Converter Settings of Constant-Voltage, Constant-Current, and Full-ON Mode
(1) Function Explanation
(2) Serial Register Bit Map
(1) Address Bit [000] Function Explanation
(2) Address Bit [001] Function Explanation
(3) Address Bit [010] Function Explanation
(4) Address Bit [011] Function Explanation
(5) Address Bit [100] Function Explanation
(1) Stepping Motor drive controlled by 2 phases mode
H : Active
L : Standby
STROBE
INPUT34
INPUT45
INPUT1
INPUT2
SDATA
SCLK
PS
B3
D3
C3
B4
D4
C4
D2
C2
Serial Interface
Serial Interface
Serial Interface
Serial Interface
Serial Interface
Power Save
Interface
Selector
Serial
&
Fig.41 BD6370GUL Application Circuit Diagram
Serial Reset
Bypass filter Capacitor for
power supply input. (p.29/32)
Serial Interface
Serial Interface
Serial Interface
Serial Interface
Serial Interface
Selector
Logic12
Logic3
Logic4
Logic5
1 100uF
TSD
Level Shift
6bit DAC
Level Shift
Level Shift
6bit DAC
Level Shift
Pre Driver
Pre Driver
6bit DAC
Pre Driver
Pre Driver
6bit DAC
6bit DAC
10/32
&
E3
E2
&
&
&
&
UVLO
VCC
GND
12
V4
I4
3
5
V
V
V
V
V
DAC12
DACV4
DAC3
DACI4
DAC5
C.V./C.C./Full ON
Const. Current
Serial Interface
C.V./Full ON
C.V./Full ON
C.V./Full ON
BandGap
H bridge
H bridge
H bridge
H bridge
H bridge
R
=4m (Typ.)
R
=22m (Typ.)
METALI4
METAL5
A4
A5
B5
C5
D5
E4
E5
A3
A2
B1
A1
C1
D1
E1
PGND
VM
OUT4A
OUT4B
RNF4
OUT5A
OUT5B
RNF5
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
with the RNF4 external resistor. (p.11/32)
mode, no need to connect the R
with the RNF5 external resistor. (p.11/32)
R
R
The output current is converted to a voltage
In the case of Const.-Voltage or Full-ON
The output current is converted to a voltage
Iout[A] = V
RNFI4
RNF5
Iout[A] = V
M
M
DACI4
p.11/32
p.11/32
p.11/32
p.11/32
p.12/32
p.12/32
p.13/32 to p.14/32
p.15/32
p.16/32 to p.17/32
p.18/32 to p.19/32
p.20/32
p.21/32 to p.23/32
p.24/32 to p.23/32
p.25/32 to p.26/32
DAC5
Bypass filter Capacitor for
power supply input. (p.29/32)
[V] (R
[V] (R
METALI4
METAL5
Resemblance drive
mode (p.11/32)
[ ] R
[ ] R
RNFI4
.
RNF5
RNFI4
[ ])
[ ])